For most of human history, people were infected with helminths — parasitic worms — as a matter of course. It's only in the past century or so, in wealthy industrialized nations, that we've largely eliminated them. And it's in those same places that allergies, asthma, and autoimmune diseases have skyrocketed.
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The river itself has no beginning or end. In its beginning, it is not yet the river; in its end, it is no longer the river. What we call the headwaters is only a convention of cartographers.
Loren Eiseley — The Immense Journey
It is not what the man of science believes that distinguishes him, but how and why he believes it. His beliefs are tentative, not dogmatic; they are based on evidence, not on authority or intuition.
Bertrand Russell — Free Thought and Official Propaganda
The therapy didn't help them metabolize alcohol faster. It restored the liver cells' intrinsic ability to withstand stress and regenerate, as if they were young again.
Packy McCormick